Compare 851 vs 855
| Property | 851 | 855 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 231 × 371 | 32 × 51 × 191 |
| Prime factorization | 23 × 37 | 3 × 3 × 5 × 19 |
| Divisors count | 4 | 12 |
| Divisors | 1, 23, 37, 851 | 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855 |
| Number of properties | 1 | 0 |
| Semiprimes | 257th | |
| Roman numberals | DCCCLI | DCCCLV |
| Base 2 | 11010100112 | 11010101112 |
| Base 3 | 10111123 | 10112003 |
| Base 4 | 311034 | 311134 |
| Base 5 | 114015 | 114105 |
| Base 6 | 35356 | 35436 |
| Base 7 | 23247 | 23317 |
| Base 8 | 15238 | 15278 |
| Base 9 | 11459 | 11509 |
| Base 10 | 85110 | 85510 |
| Base 11 | 70411 | 70811 |
| Base 12 | 5ab12 | 5b312 |
| Base 13 | 50613 | 50a13 |
| Base 14 | 44b14 | 45114 |
| Base 15 | 3bb15 | 3c015 |
| Base 16 | 35316 | 35716 |